HEADER OXIDOREDUCTASE 30-MAY-08 3DAT TITLE CRYSTAL STRUCTURE OF THE TERNARY MTX NADPH COMPLEX OF BACILLUS TITLE 2 ANTHRACIS DIHYDROFOLATE REDUCTASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS ANTHRACIS STR.; SOURCE 3 ORGANISM_TAXID: 260799; SOURCE 4 STRAIN: STERNE; SOURCE 5 GENE: DFRA, BAS2083, BA_2237, GBAA2237; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PET; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: CHAMPION PET-SUMO KEYWDS DUAL-SITE INHIBITION, OXIDOREDUCTASE, PSEUDO-ROSSMANN FOLD, ADENINE KEYWDS 2 NUCLEOTIDE BINDING DOMAIN EXPDTA X-RAY DIFFRACTION AUTHOR B.C.BENNETT,C.G.DEALWIS REVDAT 6 30-AUG-23 3DAT 1 REMARK REVDAT 5 25-OCT-17 3DAT 1 REMARK REVDAT 4 20-NOV-13 3DAT 1 HET HETATM REVDAT 3 13-JUL-11 3DAT 1 VERSN REVDAT 2 19-MAY-09 3DAT 1 JRNL REVDAT 1 14-APR-09 3DAT 0 JRNL AUTH B.C.BENNETT,Q.WAN,M.F.AHMAD,P.LANGAN,C.G.DEALWIS JRNL TITL X-RAY STRUCTURE OF THE TERNARY MTX.NADPH COMPLEX OF THE JRNL TITL 2 ANTHRAX DIHYDROFOLATE REDUCTASE: A PHARMACOPHORE FOR JRNL TITL 3 DUAL-SITE INHIBITOR DESIGN. JRNL REF J.STRUCT.BIOL. V. 166 162 2009 JRNL REFN ISSN 1047-8477 JRNL PMID 19374017 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.31 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.9 REMARK 3 NUMBER OF REFLECTIONS : 8170 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.239 REMARK 3 R VALUE (WORKING SET) : 0.237 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 404 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 505 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.26 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE SET COUNT : 17 REMARK 3 BIN FREE R VALUE : 0.3980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1280 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 81 REMARK 3 SOLVENT ATOMS : 34 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.03000 REMARK 3 B22 (A**2) : 0.14000 REMARK 3 B33 (A**2) : -0.31000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.21000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.420 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.275 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.235 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 16.885 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.927 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.889 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1403 ; 0.017 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1915 ; 1.892 ; 2.011 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 160 ; 8.102 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 65 ;38.816 ;23.692 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 205 ;21.993 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;17.853 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 196 ; 0.126 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1083 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 603 ; 0.240 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 919 ; 0.323 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 53 ; 0.178 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 12 ; 0.165 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 4 ; 0.201 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 821 ; 0.759 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1291 ; 1.234 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 689 ; 1.856 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 624 ; 2.870 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 3 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 36 REMARK 3 RESIDUE RANGE : A 37 A 108 REMARK 3 RESIDUE RANGE : A 109 A 160 REMARK 3 ORIGIN FOR THE GROUP (A): -8.3642 -9.1675 14.2230 REMARK 3 T TENSOR REMARK 3 T11: -0.2626 T22: -0.0700 REMARK 3 T33: -0.1338 T12: 0.0234 REMARK 3 T13: 0.0542 T23: -0.0275 REMARK 3 L TENSOR REMARK 3 L11: 3.8092 L22: 1.5648 REMARK 3 L33: 14.7699 L12: 0.2207 REMARK 3 L13: 0.3391 L23: 0.8785 REMARK 3 S TENSOR REMARK 3 S11: 0.0444 S12: -0.3582 S13: -0.0033 REMARK 3 S21: 0.0613 S22: 0.1482 S23: 0.0339 REMARK 3 S31: 0.3106 S32: 1.7936 S33: -0.1926 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3DAT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUN-08. REMARK 100 THE DEPOSITION ID IS D_1000047806. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-MAR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.90000 REMARK 200 MONOCHROMATOR : SILICON (111) DOUBLE-CRYSTAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK, HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10216 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.8 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.13100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.17 REMARK 200 COMPLETENESS FOR SHELL (%) : 73.3 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.28600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: REFMAC 5.2.0019 REMARK 200 STARTING MODEL: PDB ENTRY 2QK8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS PH 5.5, 0.2 M CACL2, REMARK 280 20% W/V PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 40.95000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.57800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 40.95000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 21.57800 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 215 LIES ON A SPECIAL POSITION. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLN A 162 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 17 CG CD CE NZ REMARK 470 ASP A 18 CB CG OD1 OD2 REMARK 470 LYS A 34 CG CD CE NZ REMARK 470 LYS A 88 CB CG CD CE NZ REMARK 470 GLU A 91 CG CD OE1 OE2 REMARK 470 GLU A 92 CG CD OE1 OE2 REMARK 470 GLU A 122 CB CG CD OE1 OE2 REMARK 470 ASN A 134 CG OD1 ND2 REMARK 470 LYS A 136 CB CG CD CE NZ REMARK 470 LYS A 142 CG CD CE NZ REMARK 470 GLU A 147 CG CD OE1 OE2 REMARK 470 LYS A 148 CB CG CD CE NZ REMARK 470 TYR A 154 CG CD1 CD2 CE1 CE2 CZ OH REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 LYS A 17 -63.14 -123.58 REMARK 500 ASP A 18 -92.51 -79.43 REMARK 500 ASN A 19 47.89 -143.72 REMARK 500 CYS A 87 31.45 -93.37 REMARK 500 ASP A 131 104.48 -21.20 REMARK 500 THR A 133 -138.01 51.80 REMARK 500 ASN A 134 -106.35 62.24 REMARK 500 TRP A 135 111.39 -39.72 REMARK 500 LYS A 148 -33.78 110.66 REMARK 500 PRO A 150 38.98 -82.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 97 GLY A 98 -131.52 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QK8 RELATED DB: PDB REMARK 900 MTX BINARY COMPLEX OF BACILLUS ANTHRACIS DIHYDROFOLATE REDUCTASE DBREF 3DAT A 1 162 UNP Q81R22 Q81R22_BACAN 1 162 SEQRES 1 A 162 MET ILE VAL SER PHE MET VAL ALA MET ASP GLU ASN ARG SEQRES 2 A 162 VAL ILE GLY LYS ASP ASN ASN LEU PRO TRP ARG LEU PRO SEQRES 3 A 162 SER GLU LEU GLN TYR VAL LYS LYS THR THR MET GLY HIS SEQRES 4 A 162 PRO LEU ILE MET GLY ARG LYS ASN TYR GLU ALA ILE GLY SEQRES 5 A 162 ARG PRO LEU PRO GLY ARG ARG ASN ILE ILE VAL THR ARG SEQRES 6 A 162 ASN GLU GLY TYR HIS VAL GLU GLY CYS GLU VAL ALA HIS SEQRES 7 A 162 SER VAL GLU GLU VAL PHE GLU LEU CYS LYS ASN GLU GLU SEQRES 8 A 162 GLU ILE PHE ILE PHE GLY GLY ALA GLN ILE TYR ASP LEU SEQRES 9 A 162 PHE LEU PRO TYR VAL ASP LYS LEU TYR ILE THR LYS ILE SEQRES 10 A 162 HIS HIS ALA PHE GLU GLY ASP THR PHE PHE PRO GLU MET SEQRES 11 A 162 ASP MET THR ASN TRP LYS GLU VAL PHE VAL GLU LYS GLY SEQRES 12 A 162 LEU THR ASP GLU LYS ASN PRO TYR THR TYR TYR TYR HIS SEQRES 13 A 162 VAL TYR GLU LYS GLN GLN HET MTX A 201 33 HET NDP A 202 48 HETNAM MTX METHOTREXATE HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE FORMUL 2 MTX C20 H22 N8 O5 FORMUL 3 NDP C21 H30 N7 O17 P3 FORMUL 4 HOH *34(H2 O) HELIX 1 1 SER A 27 MET A 37 1 11 HELIX 2 2 ARG A 45 ALA A 50 1 6 HELIX 3 3 SER A 79 CYS A 87 1 9 HELIX 4 4 GLY A 98 LEU A 106 1 9 SHEET 1 A 8 GLU A 75 ALA A 77 0 SHEET 2 A 8 ASN A 60 VAL A 63 1 N ASN A 60 O GLU A 75 SHEET 3 A 8 LEU A 41 GLY A 44 1 N LEU A 41 O ILE A 61 SHEET 4 A 8 GLU A 92 ILE A 95 1 O PHE A 94 N ILE A 42 SHEET 5 A 8 ILE A 2 ASP A 10 1 N SER A 4 O ILE A 95 SHEET 6 A 8 LYS A 111 ILE A 117 1 O ILE A 117 N MET A 9 SHEET 7 A 8 TYR A 153 GLU A 159 -1 O TYR A 154 N LYS A 116 SHEET 8 A 8 LYS A 136 LYS A 142 -1 N VAL A 138 O VAL A 157 SHEET 1 B 2 VAL A 14 GLY A 16 0 SHEET 2 B 2 THR A 125 PHE A 126 -1 O THR A 125 N ILE A 15 SITE 1 AC1 16 MET A 6 VAL A 7 ALA A 8 LEU A 21 SITE 2 AC1 16 GLU A 28 LEU A 29 VAL A 32 ILE A 51 SITE 3 AC1 16 ARG A 53 LEU A 55 ARG A 58 PHE A 96 SITE 4 AC1 16 TYR A 102 THR A 115 NDP A 202 HOH A 229 SITE 1 AC2 27 VAL A 7 ALA A 8 ILE A 15 ASN A 19 SITE 2 AC2 27 ASN A 20 LEU A 21 TRP A 23 GLY A 44 SITE 3 AC2 27 ARG A 45 LYS A 46 ASN A 47 VAL A 63 SITE 4 AC2 27 THR A 64 ARG A 65 HIS A 78 PHE A 96 SITE 5 AC2 27 GLY A 97 GLY A 98 ALA A 99 GLN A 100 SITE 6 AC2 27 ILE A 101 TYR A 102 LEU A 104 THR A 125 SITE 7 AC2 27 MTX A 201 HOH A 212 HOH A 224 CRYST1 81.900 43.156 67.870 90.00 119.31 90.00 C 1 2 1 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.012210 0.000000 0.006854 0.00000 SCALE2 0.000000 0.023172 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016897 0.00000